Microsoft.Azure.Amqp.Transport.AmqpTransportInitiator.OnReadHeaderComplete C# (CSharp) Method

        void OnReadHeaderComplete(TransportAsyncCallbackArgs args)
        {
            if (args.Exception != null)
            {
                AmqpTrace.Provider.AmqpLogError(this, "ReadHeader", args.Exception.Message);
                this.Complete(args);
                return;
            }

            try
            {
                ProtocolHeader receivedHeader = new ProtocolHeader();
                receivedHeader.Decode(new ByteBuffer(args.Buffer, args.Offset, args.Count));
#if DEBUG
                receivedHeader.Trace(false);
                AmqpTrace.Provider.AmqpLogOperationVerbose(this, TraceOperation.Receive, receivedHeader);
#endif

                if (!receivedHeader.Equals(this.sentHeader))
                {
                    // TODO: need to reconnect with the reply version if supported
                    throw new AmqpException(AmqpErrorCode.NotImplemented, AmqpResources.GetString(AmqpResources.AmqpProtocolVersionNotSupported, this.sentHeader, receivedHeader));
                }

                // upgrade transport
                TransportBase secureTransport = this.settings.TransportProviders[this.providerIndex].CreateTransport(args.Transport, true);
                AmqpTrace.Provider.AmqpUpgradeTransport(this, args.Transport, secureTransport);
                args.Transport = secureTransport;
                IAsyncResult result = args.Transport.BeginOpen(this.timeoutHelper.RemainingTime(), this.OnTransportOpenCompete, args);
                if (result.CompletedSynchronously)
                {
                    this.HandleTransportOpened(result);
                }
            }
            catch (Exception exp)
            {
                if (Fx.IsFatal(exp))
                {
                    throw;
                }

                AmqpTrace.Provider.AmqpLogError(this, "OnProtocolHeader", exp.Message);
                args.Exception = exp;
                this.Complete(args);
            }
        }